package com.situ.stmall.service;

import java.util.List;

import com.situ.stmall.entity.Shopcart;

public interface ShopcartService {
	
	int add(Shopcart shopcart);

	List getByUserId(Integer id);

	Shopcart update(Shopcart cart);

	Shopcart removeById(Integer id);
}
